baber/WOPTO huggingface dataset:
Patent GB-765948-A (GB)
Title: Multi-cylinder two-stroke internal combustion engines having exhaust gas turbo chargers
IPC: F02B75/02
Filed: 1955-03-15
Abstract: 765,948. Two-stroke engines ; charge pumps. SULZER FRERES SOC. ANON. March 15, 1955 [Dec. 17, 1954], No. 7589/55. Class 7 (2). To increase scavenging and charging, as at starting and low engine speeds, inlet passages 12 connecting piston-controlled inlet ports 2 of individual cylinders to a manifold 11 supplied with air by an exhaust-driven turbocharger have opening laterally thereto chambers 14 which are otherwise completely closed and the volume of which is varied by displacement pistons 16 whose frequency is the same as that of the working pistons 3. As shown, supplementary pistons 7 control exhaust ports 6 and the arrangement 11, 12, 14, 16 is duplicated on the other side of the engine. The pistons 16 lead the pistons 3 so as to build up pressure in the passages 12 before the ports 2 open and, to hinder back flow to the manifold 11 the portion of each passage 12 downstream of the chamber 14 may be enlarged, guide surfaces 20 may be used and/or check valves or venturi or spiral devices may be located in the passage 12 up-stream of the chamber 14. Modifications. In a double-acting loopscavenged engine, (Fig. 2) (not shown), chambers above and below the displacement pistons are respectively connected to passages from the manifold to upper and lower inlet ports. In Figs. 3 and 4 (not shown), singleacting engines, respectively loop-scavenged and uniflow-scavenged to cylinder-head exhaust valves, use the underside of the working pistons as displacement pistons working in a sub-chamber connected to the inlet passages via two further sub-chambers in series.
Patent GB-842563-A (GB)
Title: Hydrophilic interpolymers of polymerisable ethylenically unsaturated compounds and sulpho esters of ª-methylene carboxylic acids
IPC: C08F28/00
Filed: 1958-03-10
Abstract: Relates to copolymers of (1) at least one sulphoester of an a -methylene carboxylic acid having the formula: <FORM:0842563/IV(a)/1> wherein R represents hydrogen, a halogen such as chlorine or an organic radical such as an alkyl radical, -Q- represents a bivalent organic radical having its valence bonds on two different carbon atoms, such as an alkylene radical, and M is hydrogen, an ammonium base or a metal, and (2) at least one other ethylenically unsaturated compound.  The specification contains a long list of sulpho esters, which may be used in acid or salt form, typical examples being sulphoethyl, sulphopropyl or sulphobutyl acrylate or methacrylate. The other ethylenically unsaturated compound may be styrene, a -methyl styrene, a ring-substituted methyl or ethyl styrene, divinyl benzene, vinyl naphthalene, divinyl naphthalene, vinylbenzenesulphonic acid, divinylbenzenesulphonic acid, hydroxystyrene, methoxystyrene, aminostyrene, cyanostyrene, acetylstyrene, mono- or dichlorostyrene, acrylic acid, methacrylic acid, methyl or lauryl methacrylate, ethyl, hexyl, phenyl or allyl acrylate, glycol diacrylate, acrylonitrile, methacrylonitrile, acryl amide, methacrylamide, acrylanilide, acrylic anhydride, ethyl a -chloroacrylate, ethyl maleate, maleic anhydride, polyglycol maleate, diallyl fumarate, vinyl acetate, propionate, butyrate benzoate, chloride or bromide, vinylidene chloride bromide or cyanide, vinyl methyl ketone, methyl isopropenyl ketone, vinyl carbozole, vinyl ethyl ether, divinyl ether, isobutylene, 1,3-butadiene or isoprene. Polymerization may be carried out in bulk, in solution, e.g. in water or aqueous alcohol, or in suspension, there being used as catalysts ionizing radiations or a free radical catalyst such as a ,a 1-azobisisobutyronitrile, benzoyl or hydrogen peroxide, cumene hydroperoxide or potassium persulphate.  In an example, acrylonitrile is polymerized with a sulphoester in solution in aqueous zinc chloride solution to produce a fibre-forming polymer.
Patent GB-1500241-A (GB)
Title: Sealing collar for pipe joints
IPC: F16L13/12
Filed: 1976-02-26
Abstract: 1500241 Sealing pipes; pipe joints SEALANTS INTERNATIONAL 26 Feb 1976 [15 Oct 1975] 07641/76 Headings F2G and F2P A bell and spigot pipe joint is sealed particularly if leaking in service by use of a moulded split flexible collar 10 having a small diameter sleeve 11 for the spigot 15 and a large diameter sleeve 12 for the bill 14 and an interconnecting frusto-conical portion 17, the portion 17 having an inlet tube 32 disposed at an angle so as to divert the flow of injected sealant round one flow path rather than the other, a vent tube 30 diametrically opposite the inlet tube 32 and preferably situated at the top in use and a baffle 33 formed integrally with the collar 10 disposed so as to control the flow of incoming sealant so that no gas pockets are formed and the collar 10 is completely filled. Bands 25, 26 are used to hold the sleeves 12, 11 in place, and the longitudinal split 13 in the collar, which enables it to be put in place round an existing pipe joint, is provided with a flap 18 of cellular sponge rubber which extends over the overlap between the ends of the split to provide a seal. An elongate spring (not shown) secured between an integral moulded boss on one side of the split 13 and the vent tube 30 on the other, holds the collar 10 in place during injection and setting of the sealant. Sponge rubber strips 16 may also be provided on the inner surfaces of the sleeves 11, 12 and these may be tapered in wall thickness, if desired, to provide flexibility.
Patent GB-668471-A (GB)
Title: Improvements in or relating to devices for supporting wood while it is being choppedand sawn
IPC: B25H1/06
Filed: 1949-03-21
Abstract: 668,471. Saw horses; chopping blocks. FORD, C. W. March 6, 1950 [March 21, 1949], No. 7644/49. Class 61 (ii). [Also in Group VI] A device -for use as a chopping block or saw horse comprises a rectangular chopping block A one end of which is fixed centrally between two spaced rectangular blocks B and C. Wedge shaped blocks D and E are secured to the blocks B and C at one or both ends. The device is laid on its side and wood to be sawn is supported in the crutch between the blocks D and E.
Patent GB-268542-A (GB)
Title: Anthraquinone dyestuffs
IPC: C09B1/52
Filed: 1926-03-19
Abstract: 268,542. British Dyestuffs Corporation, Ltd., and Tatum, W.. W. March 19, 1926. 1-Oxy-2-sulpho - 4 - arylaminoanthraquinones, which are acid wool dyes and are described in Specification 21897/00, are obtained by the action of metallic sulphites on 1-oxy-2-halogen-4-arylaminoanthraquinones. In an example, 1-oxy-2- chlor-4-tolylaminoanthraquinone (obtained by heating 1-oxy-2 : 4-dichloranthraquinone with ptoluidine) is dissolved in phenol and heated with sodium sulphite solution in an autoclave. The phenol is then steamed off and the product is salted out. It dyes wool from an acid bath in fast reddish-blue shades.
Patent GB-492337-A (GB)
Title: Rectifier for television signals
IPC: H04N5/44
Filed: 1937-03-16
Abstract: 492,337. Valve amplifying and detecting circuits; television. RADIOAKT.-GES. D. S. LOEWE. March 16, 1937, No. 7680. Convention date, March 19, 1936. [Classes 40 (iii) and 40 (v)] A television detector comprises an anode bend rectifier 1 directly coupled to a following amplifier 6. The carrier frequency energy in the anode circuits of the valves 1, 6 are balanced against one another to remove this frequency from the output. The Figure shows a differential condenser 10-12 for ensuring an accurate balance and a resistance 14 and choke 13 in the feed to the cathode-ray tube to further assist in the removal of carrier frequency. The choke 13 may be resonant to the highest image frequency, varying the damping produced by resistance 14 enables the desired cut-off for the carrier frequency to be obtained. Synchronizing impulses are obtained by a diode 16 which may be contained in the envelope of the valve 1. The separation of the synchronizing signals is effected by the bias potential applied to the diode 16, line and frame impulses being taken from transformers 18a, 18b.
Patent GB-474344-A (GB)
Title: Improvements in and relating to lighting apparatus for hospital operating theatres and like places
IPC: F21V17/02
Filed: 1937-03-16
Abstract: 474,344. Lamps. HOLOPHANE, Ltd. (Soc. Anon. Holophane) March 16, 1937, No. 7697. [Classes 75 (ii) and 75 (iii)] A lamp, particularly for illuminating surgical operating tables, comprises the ball member 3 of a ball-and-socket joint, the socket member 2a being secured to an oblique end of a cylindrical casing 1 attached by bayonet connections 15, 16 to a flanged ceiling or wall plate 14. The pins 16 are held by springs 19 and a chain 17 may be fixed on a hook 18. A flanged ring 6, integral with a reflector 7 and provided with a lamp-holder 8, is slidably mounted in the cylindrical bore 5 of the member 3, and is adjusted against the action of springs 11 by means of a chain 12, passing through a hole in the edge of the lens unit 4 and held in adjusted position by a hook 13.
Patent GB-1483285-A (GB)
Title: Transducer assembly and method of manufacturing same
IPC: G01B7/16
Filed: 1976-02-18
Abstract: 1483285 Strain gauge resistors BRITISH HOVERCRAFT CORP Ltd 18 Feb 1976 [24 Feb 1975] 7714/75 Heading G1N A strains gauge resistor 11 Fig. 1 is mounted on an elongated metal plate 12 with a hole 13 at each end, which is secured in a gap in a nylon woven sheet 14 by passing a warp thread through each hole 13. The ends of the resistor 11 are connected to a cable 16 which is laid in a sinusoidal shape between two strips 17, Fig. 2 of PTFE. The assembly is then placed on a T-shaped sheet of neoprene 18 with the cable 16 on two strips 19 of PTFE with a small gap 20 between them, and covered with neoprene sheets 23, 26 Fig. 7 which have cut-outs for sheet 14, and finally with a T- shaped neoprene sheet 28. The assembly is heattreated to the extremity of tapes 19, thereby securing the cable 16 where it crosses the gap 20.
Patent GB-723521-A (GB)
Title: Improvements in and relating to electromagnetic apparatus embodying laminations
Inventor: WOODWARD CLEMENT RALPH
IPC: H01J29/76
Filed: 1950-03-28
Abstract: 723,521. Electromagnets. COSSOR, Ltd., A. C. April 16, 1951 [March 28, 1950], No. 7789/50. Class 35. [Also in Group XL (a)] A laminated magnetic core for a beam deflection coil of a cathode-ray tube has four toothed spacing members 11 to space the laminations 10 or groups of laminations and a pin 15 to engage and secure the spacing member and laminations.
Patent GB-805990-A (GB)
Title: Improvements in or relating to pipeline couplings
IPC: F16L37/373
Filed: 1957-03-08
Abstract: 805,990. Pipe couplings. NEUE ARGUS G. m. b. H. March 8, 1957 [April 25, 1956], No. 7797/57. Class 99(1). [Also in Group XXIX] In a coupling wherein each of two pipe ends are closed in fluid-tight manner by a globe cock, the actuating shafts 7, 8 of the cocks 3, 4 are connected to locking discs 5, 6 provided with recesses 51, 6<SP>1</SP> which only allow the coupling parts 1, 2 to be coupled or uncoupled when both cocks are in the closed position. As shown, the shafts 7, 8 are secured to handlevers 11, 12 provided with the discs 5, 6, both cocks being urged against seats 27 by spring rings 31 through the intermediary of pressure rings 29, and the levers being held fast in the closed position of the cocks by locking studs 15, 16 comprising frusto-conical headed sleeves pressed by springs into corresponding recesses in the levers. The part 1 has inclined bars 1<SP>1</SP> behind which slide corresponding bars 2<SP>1</SP> on the part 2 when the two parts are brought into the coupled position. In the latter position the cock 3 engages in a cup-shaped recess 4<SP>1</SP> in the cock 4, the stud 15 being depressed by a spring- loaded pin 13 to enable the lever 11 to be rotated to open the cock 3 and the disc 5 to overlie the part 2 thereby locking the parts 1, 2 in the coupled position ; the range of rotary movement of the handle 11 is limited by a stop pin 17 engaged in a recess 511 of the disc 5. The disc 6 is formed with an arcuate recess 6<SP>1</SP> the radius of which is slightly larger than that of the disc 5 and the centre of which lies on the axis of the shaft 7 of the cock 3, that recess allowing the hand-lever 11 to be moved to open the cock. The disc 5, also, has an arcuate recess 5<SP>1</SP> which accommodates the periphery of the disc 6 and thereby permits the hand-lever 12 to be operated. In a modification, the part 2, Fig. 10, has laterally-projecting pairs of pins 20, 21 which are slid into recesses 19<SP>1</SP> in plates 19 screwed to the sides of the part 1 whereby the parts are coupled together, and the disc 6 is engaged under the disc 5.
Patent GB-1458860-A (GB)
Title: Garage enabling two vehicles to be parked one above the other
IPC: E04H6/04
Filed: 1974-02-21
Abstract: 1458860 Vehicle storage MAGEBA SA 21 Feb 1974 [20 March 1973] 7838/74 Heading B8H A garage, for parking two vehicles one above the other, as described in Specification 1,457,945 wherein the upper platform 13 comprises two sections 13a, 13b hingedly connected at 28 with the support rods 17, 18 respectively connected to the sections.
Patent GB-292673-A (GB)
Title: Fuel and method of making the same
IPC: C10L1/32
Filed: 1927-03-22
Abstract: 292,673. Fairweather, H. G. C., (American Coalinoil Corporation). March 22, 1927. Liquid fuel.-In a process of the kind described in Specifications 149,306, 154,605, 160,754, 165,423 for obtaining stable suspensions of comminuted ca.rbona.ceous material in oils, the required consistency of the oils is obtained by thickening the oils either before or after admixture with the powdered fuel by oxidation with air.
Patent GB-505135-A (GB)
Title: Improvements in and relating to the coating of articles by cathode disintegration
IPC: C23C14/34
Filed: 1938-03-14
Abstract: 505,135. Depositing materials by electric discharge. BERGHAUS, B. March 14, 1938, No. 7912. Convention date, March 25, 1937. [Class 39 (i)] In coating articles by cathode disintegration the cathode material is maintained in a molten state. The temperature of the molten material. and the applied voltage are such that vaporization plays a negligible part in the coating process. In the apparatus shown the material is contained in a metallic crucible 22 supported by a tube 6 flanged at the bottom and connected to the negative terminal. Deposition on the outside of the crucible is prevented by a metal cap 19 spaced therefrom and supported by a tube 18 mounted in the base 1 of the discharge chamber. The parts are secured in position by an insulating ring 27 and bolts 28, the tube 18 being insulated from the tube 6 by an insulating ring 24 mounted between sealing rings 25, 26, e.g. of lead. Compressed air for cooling is introduced through a tube 29. The stream of disintegrated particles is directed by the magnetic field of a coil 31. In a modification, the crucible is of insulating material such as sintered oxides of aluminium, beryllium, magnesium or' zirconium. The base of the crucible is mounted on a metal saucer spaced from the member 6 and supported on it at the centre by a pin which passes through the crucible , to make contact with the cathode material. Cadmium, silver and copper may be disintegrated in crucibles of molybdenum or tungsten. Nickel, cobalt, chromium, vanadium, platinum, titanium and rhodium should be disintegrated in non-metallic crucibles. A number of crucibles may be mounted in the base of single disintegration chamber for coating large surfaces. Specifications 481,842, [Group XXXVI], and 505,137 are referred to.
Patent GB-212127-A (GB)
Title: Improvements in and relating to curtain supporting devices
IPC: A47H13/02
Filed: 1923-03-20
Abstract: 212,127. Cole &. Co., Ltd., W. H., and' Reed, E. T. W. March 20, 1923. Curtains, suspending.-A curtain ring or equivalent curtainsupporting members has associated therewith one part of one or more snap fasteners, the coacting parts of which are secured to the curtain. Various modifications for attachment to curtain rods, cord or like supports, and to the runners of railway type suspensions are described. In the form shown in Fig. 1 the ring a has the stud portions b of two snap fasteners attached thereto, one stud being directly attached to the ring and the other connected thereto bv a link f. To the curtain c are attached the socket portions d of the fasteners. An arrangement suitable for cord suspension is shown in Fig. 7, in which both parts of the fastener are loosely mounted on a link, and the exposed portion may have a cover h of celluloid or the like, coloured or designed to match the material of the curtain, which is provided with holes at its upper edge through which the stud portions b are passed.
Patent GB-142623-A (GB)
Title: Improvements in hack-saw blades
IPC: B23D61/12
Filed: 1919-03-31
Abstract: 142,623. Shearer, G. H. March 31, 1919. Saws.-Hack-saw blades are provided with a series of holes 2 spaced along their length which enable the fractured ends of broken blades to be secured readily in the frame, and also serve to carry lubricant into the work.
Patent GB-326351-A (GB)
Title: Improvements relating to sliding seats for motor cars and the like
IPC: B60N2/08
Filed: 1929-03-12
Abstract: 326,351. Bovingdon, G. E. March 12, 1929. Sliding seats; adjustments. - A slidable seat comprising fixed and movable interengaging slides A, D, is locked in adjusted position by a longitudinally disposed spring- controlled handled rod G, carried by and within the movable member D and having an inner cranked end K adapted to project sidewardly through a slot L in the wall of the member D into engagement with one or other of the slots N in the wall of the fixed member A. The spring J is shown secured at one end to a lug F<1> and at the other end to the rod G, and longitudinal movement of the rod is prevented by the lug F<2> and the collar M.
Patent GB-700997-A (GB)
Title: Improvements in pulping engines and refiners
IPC: D21D1/02
Filed: 1951-04-06
Abstract: 700,997. Paper pulp beaters and refiners. FRASER. D. April 3, 1952 [April 6, 1951], No. 8052/51. Class 59 [Also in Group VIII] The inner surface of a frusto-conical stator a of a paper pulp beater or refiner has circular grooves b accommodating retainer bars d which project in a dovetail shape to fit notches in the ends of cutter-bars g which are interspaced by wedges in the usual manner. The stator may be in two longitudinal halves bolted together through flanges at the sides.
Patent GB-1034514-A (GB)
Title: Improvements in or relating to telecommunications systems exchanges
IPC: H04L12/54
Filed: 1965-02-25
Abstract: 1,034,514. Telegraphy. SIEMENS & HALSKE A.G. Feb. 25, 1965 [Feb. 26, 1964], No. 8107/65. Heading H4P. In an exchange of the type in which received data is stored and then handled within the exchange at higher than line speed, there is a plurality of the stores, and a smaller number of speed control means which are selectably connectable to any of the stores. Signals from a line are passed to an associated core store which feeds data, block by block, to a magnetic drum, tape, or like store. When the latter is full, one of the speed control means is seized and data transferred at high speed to the next stages of the exchange. '
Patent GB-140218-A (GB)
Title: Improvements in hernia trusses
IPC: A61F5/26
Filed: 1919-04-01
Abstract: 140,218. Couturier, A. April 1, 1919. Trusses.-An appliance of the type in which adjustable pads exercise a lifting and pressing action on the rupture comprises a metal belt 1 with lower pads 2 and an abdominal pad 12. The pads 2 comprise metal plates 3, 4 provided with lugs 5 by means of which they are carried on a pivot 6 secured to the belt 1. A stop 23 limits the outward movement of the pad. A spring 7 wound about the spindle 6 has its free end hooked to a tongue 9 pivoted at 10 to the plate 3. A screw 11 abuts against the plate 3 and serves to alter the position of the tongue 9, and thereby vary the pressure of the spring 7. The pad 12 is pressed by a spring 16 and is supported from the belt 1 on a lever 13 which is pressed by a spring 15. The pads may be hinged obliquely on arms attached to the belt and, for use with a pronounced rupture, are provided with a tip that rises obliquely.
Patent GB-1413644-A (GB)
Title: Internal-shoe drum brake
IPC: F16D65/22
Filed: 1974-02-22
Abstract: 1413644 Internal shoe drum brakes; wear adjustment; actuators SOC ANON DBA 22 Feb 1974 [22 March 1973] 8176/74 Headings F2E and F2F An internal shoe-drum brake has a leading shoe 12 and a trailing shoe 14 which are in floating contact at one end with a fulcrum block 26 and are operable at the other end by a wheel cylinder 24 having two pistons 52, 54 which cooperate with the respective shoes 12, 14, abutment means in the form of an adjusting lever 30 and a rod 34 and determining the minimum distance between the two ends operable by the wheel cylinder 24, and a friction ring 62 provided in the cylinder 24 to offer predetermined resistance to the sliding of the piston 54 in the cylinder 24. The ring 62 is held in place against a shoulder 58 in a blind bore 56 in the piston 54 by means of an annular chock assembly 64 and a washer 60, and the ring 62 slides frictionally on a pin 72 attached to a partition 66 fitted to the cylinder 24 and held in position by two washers 68. As shown, the lever 30 which is pivoted on shoe 12 has a toothed sector co-operating with a toothed sector of a pawl 32, also pivoted on shoe 12. A projection 46 on the end of rod 34 enters an opening 48 in the lever 30 and is normally a predetermined distance from the inner edge of the opening 48, so as to give a connection with predetermined play between the rod 34 and the adjusting lever 30. A hand brake lever 38 is pivoted on shoe 14 and contacts the end of a slot 36 in rod 34 and the flange 18 of shoe 14. During cylinder brake application the main braking action is by leading shoe 14. If the wear of the linings 20, 22 exceeds the predetermined play between rod 34 and lever 30 the lever 30 is pivoted, the pawl 32 being brought into contact with the lever 30 by a torsion spring 33, and the ends of the shoes nearer the wheel cylinder 24 are moved apart. When the pressure drops in the wheel cylinder 24 a return spring 44 lifts the shoes 12, 14 of the drum, and each shoe 12, 14 carries its respective piston 52,54 along as it returns-movement of the piston 54 is braked by ring 62 and this is said to prevent vibrations and to ensure automatic centring of the shoes 12, 14.